<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Size</title>
    <style type="text/css">
        * {
            margin: 0;
            padding: 0;
            border: none;
        }

        div {
            width: 300px;
            height: 90px;
            /*background: color position size repeat origin clip attachment image;*/
            background: url("http://climg.mukewang.com/582c3b780001a95103000090.jpg") no-repeat;
            background-size: 100px 90px;
        }

    </style>
</head>
<body>
<div></div>
</body>
</html>